Ion Channel Dynamics#

Ion channel models are the building blocks of computational neuron models. Their biological fidelity is therefore crucial for the interpretation of simulations.

Ion channels in the brain are specialized proteins that are embedded in the cell membranes of neurons. They act as gatekeepers, regulating the flow of specific ions across the membrane in response to various signals and stimuli. Ion channels are crucial for generating and controlling electrical signals in neurons.

There are different types of ion channels in the brain, each with specific properties and functions. Some of the most important types include voltage-gated ion channels, ligand-gated ion channels, and leak channels. Voltage-gated ion channels open or close in response to changes in the electrical potential across the membrane. Ligand-gated ion channels open or close when specific molecules, such as neurotransmitters, bind to them. Leak channels allow a small, continuous flow of ions across the membrane, contributing to the resting membrane potential.

Modeling the dynamics of ion channels in the brain involves capturing their behavior and interactions using mathematical models and computer simulations.

Base Classes#

IonChannel

Base class for ion channels.

Calcium Channels#

CalciumChannel

Base class for Calcium ion channels.

ICaN_IS2008

The calcium-activated non-selective cation channel model proposed by (Inoue & Strowbridge, 2008) [2]_.

ICaT_HM1992

The low-threshold T-type calcium current model proposed by (Huguenard & McCormick, 1992) [1]_.

ICaT_HP1992

The low-threshold T-type calcium current model for thalamic reticular nucleus proposed by (Huguenard & Prince, 1992) [1]_.

ICaHT_HM1992

The high-threshold T-type calcium current model proposed by (Huguenard & McCormick, 1992) [1]_.

ICaHT_Re1993

The high-threshold T-type calcium current model proposed by (Reuveni, et al., 1993) [1]_.

ICaL_IS2008

The L-type calcium channel model proposed by (Inoue & Strowbridge, 2008) [1]_.

Potassium Channels#

PotassiumChannel

Base class for sodium channel dynamics.

IKDR_Ba2002v2

The delayed rectifier potassium channel current.

IK_TM1991v2

The potassium channel described by (Traub and Miles, 1991) [1]_.

IK_HH1952v2

The potassium channel described by Hodgkin–Huxley model [1]_.

IKA1_HM1992v2

The rapidly inactivating Potassium channel (IA1) model proposed by (Huguenard & McCormick, 1992) [2]_.

IKA2_HM1992v2

The rapidly inactivating Potassium channel (IA2) model proposed by (Huguenard & McCormick, 1992) [2]_.

IKK2A_HM1992v2

The slowly inactivating Potassium channel (IK2a) model proposed by (Huguenard & McCormick, 1992) [2]_.

IKK2B_HM1992v2

The slowly inactivating Potassium channel (IK2b) model proposed by (Huguenard & McCormick, 1992) [2]_.

IKNI_Ya1989v2

A slow non-inactivating K+ current described by Yamada et al. (1989) [1]_.

IK_Leak

The potassium leak channel current.

IKDR_Ba2002

The delayed rectifier potassium channel current.

IK_TM1991

The potassium channel described by (Traub and Miles, 1991) [1]_.

IK_HH1952

The potassium channel described by Hodgkin–Huxley model [1]_.

IKA1_HM1992

The rapidly inactivating Potassium channel (IA1) model proposed by (Huguenard & McCormick, 1992) [2]_.

IKA2_HM1992

The rapidly inactivating Potassium channel (IA2) model proposed by (Huguenard & McCormick, 1992) [2]_.

IKK2A_HM1992

The slowly inactivating Potassium channel (IK2a) model proposed by (Huguenard & McCormick, 1992) [2]_.

IKK2B_HM1992

The slowly inactivating Potassium channel (IK2b) model proposed by (Huguenard & McCormick, 1992) [2]_.

IKNI_Ya1989

A slow non-inactivating K+ current described by Yamada et al. (1989) [1]_.

IKL

The potassium leak channel current.

Sodium Channels#

SodiumChannel

Base class for sodium channel dynamics.

INa_Ba2002

The sodium current model.

INa_TM1991

The sodium current model described by (Traub and Miles, 1991) [1]_.

INa_HH1952

The sodium current model described by Hodgkin–Huxley model [1]_.

INa_Ba2002v2

The sodium current model.

INa_TM1991v2

The sodium current model described by (Traub and Miles, 1991) [1]_.

INa_HH1952v2

The sodium current model described by Hodgkin–Huxley model [1]_.

Other Channels#

Ih_HM1992

The hyperpolarization-activated cation current model propsoed by (Huguenard & McCormick, 1992) [1]_.

Ih_De1996

The hyperpolarization-activated cation current model propsoed by (Destexhe, et al., 1996) [1]_.

IAHP_De1994v2

The calcium-dependent potassium current model proposed by (Destexhe, et al., 1994) [1]_.

IAHP_De1994

The calcium-dependent potassium current model proposed by (Destexhe, et al., 1994) [1]_.

LeakyChannel

Base class for leaky channel dynamics.

IL

The leakage channel current.